Income Taxes - Schedule of Components of the Provisions for Income Taxes (Details) - USD ($) $ in Millions	12 Months Ended
	Oct. 31, 2025	Oct. 31, 2024	Oct. 31, 2023
Current provision:
Federal	$ 91.6	$ 94.9	$ 94.4
State	15.6	18.5	17.0
Foreign	13.0	8.4	7.3
Total current provision	120.2	121.8	118.7
Deferred (benefit) provision:
Federal	(48.6)	(23.6)	(37.8)
State	(8.2)	(4.6)	(10.3)
Foreign	(1.9)	0.3	0.2
Total deferred benefit	(58.7)	(27.9)	(47.9)
Total provision for income taxes	$ 61.5	$ 93.9	$ 70.8